There is a copper preheating tube at the , which can be quickly ignited and the fire power is stable The design of the vent hole in the tube wall makes the fuel and oxygen fully contacted and the firepower is more prosperous The design adjusts the valve, the damping is moderate, and the valve is marked with the size and direction to avoid misoperation Spiral interface, built-in anti-leakage rubber ring, with automatic air-closing function,Manual ignition, the torch needs to burn with smoke. burner torches are great for cooking, welding, brazing, camping, grilling, and more. Name: Propane Type of Fire Weight: 155g Air consumption: 460g/h Ignition : manual ignition Measured environment: power and consumption are the conversion results of continuous use of strong firepower when the temperature is 25degree Colour:silver :Stainless steel Size:12x3x22.5cm Package Contents: 1 x blowtorch Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.